How much California state income tax will I pay?
Estimate 2025 California state income tax from income, filing status, and the California deduction without mixing in federal rules.
California uses its own progressive brackets and deductions. Enter California income and filing status, apply the state standard or itemized deduction, and tax each layer of California taxable income at the applicable 2025 rate.
California State Income Tax Calculator — 2025 Rates
Change the prefilled example to match your situation. Inputs stay in your browser.
Use itemized deductionsOptional
2025 California state estimate only. Exemption credits, surtaxes, AMT and income adjustments are excluded.
Why this answer depends on your details
Federal and California taxable income are not interchangeable. A useful state estimate must keep the California deduction and rate schedule separate and state which credits and adjustments are excluded.
How to work through it
- Choose the California filing status.
- Enter yearly California income before the state deduction.
- Use the 2025 California standard deduction unless a valid itemized amount is higher.
- Apply the relevant Schedule X, Y, or Z brackets progressively.
- Review credits, surtaxes, residency, and federal tax separately.
Common mistakes
- Using the federal standard deduction for California.
- Applying the top bracket reached to all income.
- Assuming state tax equals payroll withholding or refund.
- Using a full-year resident estimate for a part-year or nonresident return.
Frequently asked questions
Does the California calculator include federal tax?
No. It isolates a simplified California state estimate so the state deduction and brackets remain visible.
Does it predict my California refund?
No. A refund also depends on withholding, estimated payments, credits, and return-specific adjustments that are outside this simplified estimate.